Writing

1997		Fátima … Writer
1997		Cartoni animati … Story

1993

(3 episodes) … Screenplay

1991		Miracle of Marcellino … Writer
1991		Per odio, per amore … Writer
1991		Suffocating Heat … Writer
1991		Vendetta: Secrets of a Mafia Bride (2 episodes) … Writer

1990		The Bachelor … Screenplay
1990		The Dark Sun … Writer
1990		Life with the Kids … Screenplay
1990		There Was a Castle with Forty Dogs … Screenplay

1988		Young Toscanini … Original Story
1988		Il vizio di vivere … Screenplay
1988		The Mask … Writer
1988		Don Bosco … Story … Screenplay

1986

… Writer

1985		The 2 Lives of Mattia Pascal … Screenplay … Story
1985		Quo Vadis? (6 episodes) … Screenplay

1983

… Screenplay

1982

… Screenplay

1980

… Writer

1979

… Writer

1978		Just a Gigolo … Writer
1978		China 9, Liberty 37 … Story
1978		The Last Romantic Lover … Writer

1976		The Twist … Adaptation
1976		Salon Kitty … Screenplay … Story

1975		Four of the Apocalypse … Screenplay
1975		The Barons … Writer

1973		Hitler: The Last Ten Days … Screenplay
1973		Daniele and Maria … Writer

1972

… Writer

1971

… Story

1969		The Red Tent … Screenplay
1969		Coup D'Etat … Screenplay … Story

1968		A Place for Lovers … Screenplay
1968		The Black Sheep … Screenplay … Story
1968		The Bastard … Writer
1968		Better a Widow … Writer
1968		The Girl Who Couldn't Say No … Screenplay … Story
1968		Guns for San Sebastian … Writer

1967		Operation San Pietro … Screenplay … Story
1967		Kill Me Quick, I'm Cold … Screenplay
1967		Per amore... per magia... … Story … Screenplay
1967		A Rose for Everyone … Writer

1966		The Treasure of San Gennaro … Screenplay … Story
1966		The Battle of the Mods … Screenplay
1966		How Do I Love You? … Story
1966		Z7 Operation Rembrandt … Writer

1965		Weekend, Italian Style … Screenplay … Story
1965		Un amore … Screenplay
1965		The Dirty Game … Writer
1965		I Kill, You Kill … Screenplay

1964		Plains of Battle … Writer
1964		Love and Marriage … Writer
1964		Attack and Retreat … Screenplay … Story

1963		Russia sotto inchiesta … Writer
1963		The Attic … Writer
1963		The Girl Who Knew Too Much … Screenplay … Story

1962		Beach Casanova … Screenplay
1962		La leggenda di Fra Diavolo … Screenplay
1962		My Son, the Hero … Screenplay … Story
1962		Marco Polo … Writer
1962		The Witch's Curse … Writer
1962		Violent Life … Story
1962		Musketeers of the Sea … Story
1962		Taras Bulba … Writer

1961		Madame … Screenplay
1961		Divorce Italian Style … Screenplay … Story
1961		Duel of the Titans … Screenplay
1961		Duel of Champions … Screenplay
1961		Joseph and His Brethren … Screenplay
1961		The Colossus of Rhodes … Story … Screenplay
1961		Pigeon Shoot … Screenplay
1961		Unexpected … Writer
1961		Odissea nuda … Writer
1961		Battle of the Worlds … Writer

1960		The Giants of Thessaly … Screenplay
1960		Esther and the King … Writer
1960		The Dolphins … Screenplay … Story
1960		It Happened in '43 … Screenplay
1960		Colossus and the Amazon Queen … Screenplay
1960		Assignment: Outer Space … Writer
1960		The Warrior Empress … Writer
1960		Run with the Devil … Screenplay
1960		Black Sunday … Screenplay
1960		Siege of Syracuse … Screenplay
1960		Messalina … Screenplay … Story
1960		Carthage in Flames … Screenplay

1959		The Giant of Marathon … Screenplay
1959		Legions of the Nile … Story … Screenplay
1959		The Last Days of Pompeii … Writer
1959		The Facts of Murder … Screenplay
1959		European Nights … Writer
1959		The Great Deception … Writer
1959		Esterina … Screenplay
1959		Hercules Unchained … Screenplay
1959		Soledad … Writer

1958		The Warrior and the Slave Girl … Screenplay
1958		Cannon Serenade … Writer
1958		È arrivata la parigina … Screenplay … Story
1958		The Italians They Are Crazy … Story
1958		Hercules … Screenplay

1957		The Love Specialist … Screenplay
1957		Doctor and the Healer … Co-Writer
1957		The Wide Blue Road … Screenplay
1957		Il Grido … Screenplay

1956		Roland the Mighty … Writer
1956		The Railroad Man … Screenplay
1956		The Awakening … Screenplay
1956		War and Peace … Screenplay
1956		Rice Girl … Screenplay

1955

… Screenplay

1954		Divisione Folgore … Screenplay
1954		The Queen of Babylon … Screenplay
1954		Attila … Story … Screenplay
1954		Knights of the Queen … Writer
1954		Ulysses … Screenplay
1954		Mambo … Writer
1954		Submarine Attack … Screenplay
1954		Human Torpedoes … Screenplay

1953		The Ship of Condemned Women … Writer
1953		The She-Wolf … Screenplay
1953		Jolanda, the Daughter of the Black Corsair … Screenplay
1953		Hell Raiders of the Deep … Writer

1952		Sunday Heroes … Story
1952		I tre corsari … Screenplay
1952		Toto and the Kings of Rome … Screenplay
1952		Sensualità … Story … Screenplay
1952		Tormento del passato … Screenplay
1952		Vacation with a Gangster … Screenplay
1952		Appointment for Murder … Screenplay … Story
1952		Brothers of Italy … Story

1951

… Screenplay

1950

… Screenplay

1948

… Screenplay